SoundTube MA501T Low Voltage Amplifier, 50W Output Power at 25V / 70V / 100V, 12V Trigger, Black

Designed for reliable distributed audio in commercial and security environments, the SoundTube MA501T low‑voltage amplifier delivers clean, usable power where you need it most. This pro amplifier supplies 50 watts of constant‑voltage output at 25V, 70V or 100V, making it ideal for paging, background music, and monitoring in retail, hospitality, education, and security/surveillance installations. The built‑in 12V trigger supports automatic on/off control with your control system or DVR, reducing wear and simplifying system automation. With a frequency response that covers the critical speech band and an audio‑grade toroidal output transformer, the MA501T preserves clarity and intelligibility for paging and alarm messages. Protective features including overload, short‑circuit, DC and thermal protection, plus a peak output indicator, ensure dependable operation in 24/7 monitoring and security setups. Its compact, fan‑cooled chassis and multiple mounting options make it easy to install in racks, poles or weatherproof concealments for outdoor speaker deployments. For installers specifying audio for security, surveillance, or public address systems, the SoundTube MA501T offers a dependable, tamper‑resistant solution—order or contact sales to specify it for your next distributed audio project.

• Delivers reliable 50W constant‑voltage output (25/70/100V) for even coverage across distributed speaker systems
• 12V trigger for automatic on/off control, simplifying integration with security and AV control systems
• Recessed front-panel gain to prevent unauthorized tampering and maintain consistent monitoring and paging levels
• Robust protection (overload, short circuit, DC, heat and peak clip indicator) for continuous operation in mission‑critical environments
• Compact, fan‑cooled design with versatile mounting options (rack, pole or chassis) to save space in equipment racks or concealed enclosures
• Audio‑grade toroidal output transformer for clean, high‑fidelity sound that preserves speech intelligibility for surveillance and paging applications